Compare the roles of heredity and lifestyle in determining your body shape and body weight

Some genes have been shown to predispose someone to obesity. These genes have been shown to influence appetite and food intake in this person. Therefore a mutation in this gene can cause increased appetite, high food intake and carrying more fat in the body.

However, lifestyle is the biggest contributor to body shape and size. A sedentary lifestyle is the biggest attribute to being overweight as compared to genetic predisposition.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]